Pith Number

pith:QOV7I6MV

pith:2022:QOV7I6MVULJTUVRSTPPUG75TAP

not attested not anchored not stored refs pending

pynucastro: A Python Library for Nuclear Astrophysics

Alexander Smith Clark, Brendan Boyd, Christopher J. DeGrendele, Donald E. Willcox, Eric T. Johnson, Kiran Eiden, Lyra Cao, Michael Zingale, Zhi Chen

arxiv:2210.09965 v1 · 2022-10-18 · astro-ph.IM · nucl-ex

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QOV7I6MVULJTUVRSTPPUG75TAP}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T05:08:01.432573Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83abf47995a2d33a56329bdf437fb303fc1644c6141f153a03e3fbb4eb2b2713

Aliases

arxiv: 2210.09965 · arxiv_version: 2210.09965v1 · doi: 10.48550/arxiv.2210.09965 · pith_short_12: QOV7I6MVULJT · pith_short_16: QOV7I6MVULJTUVRS · pith_short_8: QOV7I6MV

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/QOV7I6MVULJTUVRSTPPUG75TAP \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 83abf47995a2d33a56329bdf437fb303fc1644c6141f153a03e3fbb4eb2b2713

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5da69e4c697547eb8af9fcd24b49dd782414806c4c3ba05aa04469f930d31e9f",
    "cross_cats_sorted": [
      "nucl-ex"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2022-10-18T16:23:52Z",
    "title_canon_sha256": "4e3540a9a450a20f7eae87684fd56e5a59bb725157e491ab8a74cfc1fe3a36f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2210.09965",
    "kind": "arxiv",
    "version": 1
  }
}